Trump wields sanctions hammer; experts wonder to what end

The Trump administration is aggressively pursuing economic sanctions as a primary foreign policy tool to an extent unseen in decades, or perhaps ever. Many are questioning the results even as officials insist the penalties are achieving their aims.

Since taking office in January 2017, President Donald Trump has used an array of new and existing sanctions against Iran, North Korea and others. His Treasury Department, which oversees economic sanctions, has targeted thousands of entities with asset freezes and business bans. The State Depa...